I have the same case, similar PSU setup. My latest UPS makes more noise than the system it's protecting. Meanwhile, the low-end atom box attached to the TV has

I have the same case, similar PSU setup. My latest UPS makes more noise than the system it's protecting. Meanwhile, the low-end atom box attached to the TV has extra fans on it And constantly makes noise. My excuse is that I built it about 8 years ago.